Support lock for electric fans



July 14, 1931. c. RINGWALD SUPPORT LOCK FOR ELECTRIC FANS Filed Sept: 30, 1929 INVENTOR ATTORNEYS Patented July 14, 1931 warren s'rres PATENT OFFICE CLARENCE RINGWALD, OF NORTH HAMPTON, OHIO, ASSIGNOR TO ROBBINS & MYERS, INC., SPRINGFIELD, OHIO, A CORPORATION OF OHIO SUPPORT LOOK FOR ELECTRIC FANS Application filed September 30, 1929. Serial No. 396,076.

This invention relates to improvements in supports for electric fans, more particularly relating to a two-part support, one member of which is carried by the fan and the other is, member permanently attached to the place of installation such as the wall of a room or other suitable point, together with means for locking the two members together.

The object of the invention is to provide to a support by means of which the fan may be readily placed at any suitable point and locked in that position to guard against theft, and also readily removed if desired for installation at another point.

In the accompanying drawings:

Fig. 1 is a side elevation of a fan and a support for same embodying the improve ments.

Fig. 2 is a front elevation of the same.

Fig. 3 is a front elevation of the permanently attached or socket member of the support.

Fig. 4 is an enlarged transverse section on I the line l4t of Fig. 3.

i Fig. 5 is an enlarged vertical section on the line 5 5 of Fig. 2.

Fig. 6 is an enlarged rear elevation of the support.

Referring to the drawings, the motor frame or casing of the fan member has secured thereto a flat sheet metal shank member 2, the lower portion of which is preferably bent at a slight angle as indicated at 2 so that the fan may be supported in the angular position shown. In the present case the shank is shown attached to the frame of the motor by a series of coil springs 3. the upper end of the shank being formed with an enlarged open ring 2 which encircles the motor frame or casing with the springs attached thereto as well as to the motor frame, this feature being made the subject matter of a separate application.

The part 2 of the shank is formed with converging sides as indicated at 4 and is adapted to be received in a socket member 9' which is. permanently attached at any suitable point of installation such as upon the wall of a room. This socket member is also 59 preferably formed of sheet metal and has movable key 8. The socket member is provided with a round opening 11 which is approached by a narrow slot 12 which leads thereto from the upper edge of the socket. Beforcthe shank is inserted inthe socket, the bolt 7 is turned by the key to the position shown in dotted lines in Fig. 6, in which position itwill be seen that the projecting end of the bolt will readily pass through the bolt 12. When the shank is at rest in the socket member of the support the bolt will be located in the round opening 11, after which the bolt isturned by the key to the position shown in full lines in Fig. 6, and the key withdrawn, thus locking the two members of the support together.

By this arrangement it will be seen that sockets may be] permanently placed at suitable points of installation, such as in the rooms of hotels, to which maybe applied the shank member of the support which is permanently attached to the motor member of a fan, permitting a fan to be installed at any desired point and locked in that position to guard against theft but be readily removed by a proper attendant when desired.

Having thus described my invention, I claim: i -1. In a support of the character described, a two-part supporting device consisting of a shank member and a socket member to receive said shank member, a lock carried by one of said members having a key operated projecting rotatable bolt, the crosssec'tional area of which is greater in one direction than the other, the other member having an opening approached by a slot to receive said bolt when the members are placed TIER together and prevent Withdrawal thereof when said bolt is turned.

2. In a support of the character described, a two-part supporting device consisting of a shank member and socket member to receive said shank member, a lock mounted upon said shank member having a projecting rotatable bolt, the area of the projecting portion of which is greater in one direction than in the other, said socket member having an open ing to receive theprojecting end of said bolt when said members are assembled and a slot leading from the edge of said socket to said opening to permit the passage of said bolt to said opening in one position of rotation of said bolt, the alls ofsaid opening in the other position of rotation preventing Withdrawal of said bolt.

In a support of the character described, a two-part supporting device consisting of a shank member and a socket member, said shank member being secured to the article to be supported and said socket member secured at the place of installation, said members being assembled by a sliding engagement With each other, a lock carried by said shank having a rotatable bolt with a projecting part rectangular in cross section, said socket having an opening approached by a slot to permit the passage of the bolt to said opening as the parts are assembled When said bolt is in one position of rotation, the Walls of said opening When said bolt is rotated to another position preventing the Withdrawal thereof.

4. In a support of the character described, a two-part supporting device, one of Which and the other secured at the point of installation, said parts being adapted to interengage by relative sliding movement, a lock carried by one of said parts having a rotatable bolt With a projecting end rectangular in cross-section, the other part having an opening approached by a slot to receive the projecting end of said bolt in one of its positions of rotation, the Walls of said opening preventing the Withdrawal of said bolt when in another position of rotation.

5. In a support of the character described, a two-part supporting device, one member of which is attached to the article to be supported and the other secured at the place of installation, and a key-operated rotatable locking bolt carried by one of said members, said bolt having a projecting portion of greater dimension in one direction than the other, the other member having a slot open at one end and enlarged at the other end, that portion of the slot leading tosaid enlarge- 'a of the slot being of a dimension to permit the turning of said projecting portion of the bolt therein.

In testimony whereof, I have hereunto set my hand this 27th day of September, 1929. CLARENCE RINGWALD.

is connected with the article to be supported 

